<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>表格</title>
</head>
<body>
    
    <table>
        <thead>
            <tr>
                <th>姓名</th>
                <th>性别</th>
                <th>电话</th>
            </tr>

            <style>

                table{
                    border-collapse: collapse;
                }

                td,th{
                    border: 1px solid#999;
                }
            </style>
        </thead>

        <tbody>
            <tr>
                <td>张三</td>
                <td rowspan="2">男</td>
                <td>15888887777</td>
            </tr>

            <tr>
                <td>李四</td>
                <td>13999998888</td>
            </tr>

            <tr>
                <td>小美</td>
                <td colspan="2">未知</td>
            </tr>

        </tbody>
    </table>
</body>
</html>
